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HỆ THỐNG RADIO, ĐỊNH VỊ, ĐIỆN THOẠI TRÊN INFINITI FX35, FX45 2003
AV-1 AUDIO VISUAL, NAVIGATION & TELEPHONE SYS- TEM K ELECTRICAL CONTENTS C D E F G H I J L M SECTION AV A B AV Revision; 2004 April 2003 FX AUDIO VISUAL, NAVIGATION & TELEPHONE SYSTEM PRECAUTIONS 5 Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN- SIONER” 5 Wiring Diagrams and Trouble Diagnosis 5 PREPARATION 6 Commercial Service Tools 6 AUDIO 7 System Description 7 BASE SYSTEM 7 BOSE SYSTEM 7 SPEED SENSITIVE VOLUME SYSTEM 8 Component Parts and Harness Connector Location 9 Schematic — Base System — 10 WITH NAVIGATION SYSTEM 10 WITHOUT NAVIGATION SYSTEM 11 Wiring Diagram — AUDIO — / Base System 12 Schematic — BOSE System — 19 WITH NAVIGATION SYSTEM 19 WITHOUT NAVIGATION SYSTEM 20 Wiring Diagram — AUDIO — / BOSE System 21 Terminals and Reference Value for Audio Unit 30 Terminals and Reference Value for BOSE Speaker Amp. 31 A/C and AV Switch Self-Diagnosis Function 33 STARTING THE SELF-DIAGNOSIS MODE 33 DIAGNOSIS FUNCTION 33 EXITING THE SELF-DIAGNOSIS MODE 33 Trouble Diagnosis 33 MALFUNCTION WITH RADIO, TAPE AND CD (BASE SYSTEM) 33 MALFUNCTION WITH RADIO, TAPE AND CD (BOSE SYSTEM) 34 FOR RADIO ONLY 35 FOR CASSETTE PLAYER ONLY 35 FOR CD ONLY 35 Noise Inspection 36 TYPE OF NOISE AND POSSIBLE CAUSE 36 Power Supply Circuit Inspection 37 Audio Steering Wheel Switch Inspection 38 A/C and AV Switch Inspection 39 BOSE Speaker Amp. Inspection. 40 Vehicle Speed Signal Inspection 40 Locking CD Auto-changer Mechanism 42 DAMPER LOCK PROCEDURE 42 Removal and Installation of Audio Unit 42 REMOVAL 42 INSTALLATION 42 Disassembly and Assembly for Audio Unit 43 DISASSEMBLY 43 ASSEMBLY 43 Removal and Installation for A/C and AV Switch 43 REMOVAL 43 INSTALLATION 44 Removal and Installation for Front Door Speaker 44 REMOVAL 44 INSTALLATION 44 Removal and Installation for Rear Door Speaker 44 REMOVAL 44 INSTALLATION 44 Removal and Installation for Instrument Speaker 45 REMOVAL 45 INSTALLATION 45 Removal and Installation for Tweeter (BOSE Sys- tem) 45 REMOVAL 45 INSTALLATION 45 Removal and Installation for Woofer (BOSE Sys- tem) 45 REMOVAL 45 INSTALLATION 45 Removal and Installation for BOSE Speaker Amp. 46 REMOVAL 46 INSTALLATION 46 AUDIO ANTENNA 47 System Description 47 Wiring Diagram — M/ANT — 48 Terminals and Reference Value for Audio Unit 49 Antenna Amp. Inspection 49 Location of Antenna 50 AV-2 Revision; 2004 April 2003 FX Window Antenna Repair 50 CHECK ELEMENT 50 Removal and Installation of Roof antenna 52 REMOVAL 52 INSTALLATION 52 INTEGRATED DISPLAY SYSTEM 53 System Description 53 A/C AND AV SWITCH SYSTEM 53 PRECAUTION OF LCD MONITOR 53 POWER SUPPLY AND GROUND 53 DRIVE COMPUTER 54 E/M SWITCH 55 SETTING SCREEN 56 WARNING INDICATIONS 57 AV COMMUNICATION LINE 57 CAN Communication System Description 58 CAN Communication Unit 59 TYPE 1/TYPE2 60 TYPE 3 63 TYPE 4/TYPE5 66 TYPE 6 69 Component Parts and Harness Connector Location 73 Schematic 74 Wiring Diagram — INF/D — 75 Schematic 80 Wiring Diagram — COMM — 81 Terminals and Reference Value for Display Unit 84 Terminals and Reference Value for A/C and AV Switch 85 On Board Self-Diagnosis Function 86 DESCRIPTION 86 DIAGNOSIS ITEM 86 Self-Diagnosis Mode 86 OPERATION PROCEDURES 86 NETWORK CHECK 87 PARTS CHECK 88 HVAC DETAIL SCREEN 88 VERSION CHECK 88 CAN DIAG MNTR (CAN DIAG MONITOR) 88 A/C and AV Switch Self-Diagnosis Function 89 STARTING THE SELF-DIAGNOSIS MODE 89 DIAGNOSIS FUNCTION 89 EXITING THE SELF-DIAGNOSIS MODE 89 Trouble Diagnosis Chart by Symptom 90 Power Supply and Ground Circuit Check for Display Unit 91 Power Supply and Ground Circuit Check for A/C and AV Switch 92 Vehicle Speed Signal Inspection 92 Illumination Signal Inspection 93 Ignition Signal Inspection 94 Audio Communication Line Inspection 94 A/C and AV Switch Does Not Operate 96 CAN Communication Line Inspection 97 Audio Steering Wheel Switch Inspection 97 Removal and Installation of Display 99 REMOVAL 99 INSTALLATION 99 Removal and Installation of A/C and AV Switch 99 NAVIGATION SYSTEM 100 System Description 100 TRAVEL DISTANCE 100 TRAVEL DIRECTION 100 MAP-MATCHING 100 GPS (GLOBAL POSITIONING SYSTEM) 101 COMPONENT DESCRIPTION 102 BIRDVIEW™ 102 MAP DISPLAY 103 FUNCTION OF CENTER SWITCH 104 “VIEW” MODE 110 “HEADING” MODE 111 “NEARBY DISPLAY ICONS” MODE 111 “SAVE CURRENT LOCATION” MODE 111 “ADJUST CURRENT LOCATION” MODE 111 “AUTO RE-ROUTE” MODE 112 “AVOID AREA SETTING” MODE 112 “CLEAR MEMORY” MODE 112 “EDIT ADDRESS BOOK” MODE 113 “GPS INFORMATION” MODE 113 “QUICK STOP CUSTOMER SETTING” MODE .113 “SET AVERAGE SPEED” MODE 113 “TRACKING” MODE 114 GUIDANCE VOLUME 114 DISPLAY WITH PUSHED “TRIP” BUTTON 114 TRIP 1 OR TRIP 2 115 FUEL ECONOMY 115 MAINTENANCE 115 ENGINE OIL OR TIRE ROTATION 115 TIRE PRESSURE 116 WARNING INDICATIONS 116 CAN Communication System Description 117 CAN Communication Unit 117 TYPE 1/TYPE2 118 TYPE 3 121 TYPE 4/TYPE5 124 TYPE 6 127 Component Parts Location and Harness Connector Location 131 Schematic—NAVI— 132 Wiring Diagram —NAVI— 133 Schematic — COMM — 141 Wiring Diagram — COMM — 142 Terminals and Reference Value for NAVI Control unit 147 Terminals and Reference Value for Display Control unit 149 Terminals and Reference Value for Display 153 Terminals and Reference Value for A/C and AV Switch 155 On Board Self-Diagnosis Function 156 DESCRIPTION 156 DIAGNOSIS ITEM 156 Self-Diagnosis Mode (DCU) 157 OPERATION PROCEDURE 157 SELF–DIAGNOSIS RESULT 159 Self-Diagnosis Mode (NAVI) 159 OPERATION PROCEDURE 159 SELF–DIAGNOSIS RESULT 161 AV-3 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX Confirmation/Adjustment Mode 162 OPERATION PROCEDURE 162 DISPLAY DIAGNOSIS 162 VEHICLE SIGNALS 163 AUTO CLIMATE CONTROL 163 NAVIGATION 164 DISPLAY DIAGNOSIS 164 VEHICLE SIGNALS 165 HISTORY OF ERRORS 165 DIAGNOSIS BY HISTORY OF ERRORS 166 NAVIGATION 167 CAN DIAG Support Monitor 169 OPERATION PROCEDURE 169 A/C and AV Switch Self-Diagnosis Function 170 DESCRIPTION 170 Power Supply and Ground Circuit Check for NAVI Control Unit 171 Power Supply and Ground Circuit Check for Display Control Unit 172 Power Supply and Ground Circuit Check for Display . 173 Power Supply and Ground Circuit Check for A/C and AV Switch 175 Vehicle Speed Signal Check for NAVI Control Unit . 175 Vehicle Speed Signal Check for Display Control Unit . 176 Illumination Signal Check for NAVI Control Unit 177 Illumination Signal Check for Display Control Unit . 178 Ignition Signal Check for NAVI Control Unit 178 Ignition Signal Check for Display Control Unit 178 Reverse Signal Check for NAVI Control Unit 178 Reverse Signal Check for Display Control Unit 179 When Malfunctioning Connection Between Display Control Unit and NAVI Control Unit 179 When Malfunctioning Connection Between Display Control Unit and Audio Unit 180 When Malfunctioning Connection Between Display Control Unit and Display 182 CAN Communication Line Check 184 If NAVI Control Unit Detects That DVD-ROM Map is not Inserted 184 If NAVI Control Unit Detects that Inserted DVD-ROM Map Malfunctioning or if it is Impossible to Load Data from DVD-ROM Map 184 If Connection Between NAVI Control Unit and GPS Antenna is Malfunctioning 185 Color of RGB Image is Not Proper (NAVI Screen Looks Bluish) 185 Color of RGB Image is Not Proper (NAVI Screen Looks Reddish) 186 Color of RGB Image is Not Proper (NAVI Screen Looks Yellowish) 187 Color of RGB Image is Not Proper ( All screens Looks Bluish) 188 Color of RGB Image is Not Proper (All Screens Looks Reddish) 189 Color of RGB Image is Not Proper (All Screens Looks Yellowish) 190 NAVI Screen is Rolling 192 Guide Sound is Not Heard 193 Screen is Not Shown 193 Operating Screen for Audio and A/C is Not Dis- played When Showing NAVI Screen 194 TRIP, FUEL ECON and MAINTENANCE Screens are Not Shown 195 Average Fuel Economy Displayed is Not Shown (“***” is Shown) 195 Driving Distance or Average Speed is Not Shown (“***” is Shown) 196 WARNING DOOR OPEN Screen is Not Shown 196 TIRE PRESSURE Screen is not Shown 196 Unable to Operate All of A/C and AV switch (Unable to start Self-Diagnosis) 197 Position of Current-Location Mark is Not Correct . 198 Driving Test 198 Example of Symptoms Judged Not Malfunction 199 BASIC OPERATION 199 VEHICLE MARK 199 DESTINATION, PASSING POINTS, AND MENU ITEMS CANNOT BE SELECTED/SET 200 VOICE GUIDE 201 ROUTE SEARCH 201 EXAMPLES OF CURRENT-LOCATION MARK DISPLACEMENT 202 CURRENT LOCATION MARK SHOWS A POSI- TION WHICH IS COMPLETELY WRONG 205 CURRENT-LOCATION MARK JUMPS 205 CURRENT LOCATION MARK IS IN A RIVER OR SEA 206 WHEN DRIVING ON SAME ROAD, SOME- TIMES CURRENT-LOCATION MARK IS IN RIGHT PLACE AND SOMETIMES IT IS WRONG PLACE 206 LOCATION CORRECTION BY MAP-MATCH- ING IS SLOW 206 ALTHOUGH GPS RECEIVING DISPLAY IS GREEN, VEHICLE MARK DOES NOT RETURN TO CORRECT LOCATION 206 NAME OF CURRENT PLACE IS NOT DIS- PLAYED 206 CONTENTS OF DISPLAY DIFFER FOR BIRD- VIEW™ AND THE (FLAT) MAP SCREEN 206 Program Loading of NAVI Control Unit 207 Removal and Installation of NAVI control Unit 208 REMOVAL 208 INSTALLATION 208 Removal and Installation of GPS Antenna 208 REMOVAL 208 INSTALLATION 208 Removal and Installation of A/C and AV Switch 209 Removal and Installation of Display Unit 209 Removal and Installation of Display Control Unit .209 REMOVAL 209 INSTALLATION 209 INFINITI MOBILE ENTERTAINMENT SYSTEM 210 System Description 210 Component Parts and Harness Connector Location .211 Wiring Diagram – MES – 212 Terminals and Reference Value for DVD Player 214 Terminals and Reference Value for DVD Display . 215 AV-4 Revision; 2004 April 2003 FX DVD Player Is Not Work 217 Screen Is Not Shown (While Sounds Come Out of an Audio Speaker, Did not do of a Head Phone) 219 Screen is not Shown (Sounds Come Out of Both an Audio Speaker and a Head Phone) 220 Head Phone Does Not Sound 221 Remote Controller Is Not Work 222 No CD·DVD Sound From All Speakers 223 Removal and Installation for DVD Player 224 REMOVAL 224 INSTALLATION 225 Removal and Installation for DVD Display Unit 225 REMOVAL 225 INSTALLATION 226 PRECAUTIONS AV-5 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX PRECAUTIONS PFP:00001 Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER” AKS007X5 The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. Information necessary to service the system safely is included in the SRS and SB section of this Service Man- ual. WARNING: ● To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be per- formed by an authorized NISSAN/INFINITI dealer. ● Improper maintenance, including incorrect removal and installation of the SRS, can lead to per- sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag Module, see the SRS section. ● Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors. Wiring Diagrams and Trouble Diagnosis AKS007X6 When reading wiring diagrams, refer to the following: ● Refer to GI-15, "How to Read Wiring Diagrams" . Refer to PG-3, " POWER SUPPLY ROUTING CIRCUIT" . When performing trouble diagnosis, refer to the following: ● Refer to GI-11, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" . Refer to GI-27, " How to Perform Efficient Diagnosis for an Electrical Incident" . AV-6 PREPARATION Revision; 2004 April 2003 FX PREPARATION PFP:00002 Commercial Service Tools AKS007VR Tool name Description Power tool Loosening bolts and nuts PBIC0191E AUDIO AV-7 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX AUDIO PFP:28111 System Description AKS005T3 BASE SYSTEM Refer to Owner's Manual for audio system operating instructions. Power is supplied at all times ● through 15A fuse (No. 32, located in the fuse and fusible link block) ● to audio unit terminal 6 ● to A/C and AV switch terminal 1 and ● to display control unit terminal 1 (with navigation system) or display unit terminal 1 (without navigation sys- tem). With the ignition switch in the ACC or ON position, power is supplied ● through 10A fuse [No. 6, located in the fuse block (J/B)] ● to audio unit terminal 10 ● to A/C and AV switch terminal 2 and ● to display control unit terminal 10 (with navigation system) or display unit terminal 2 (without navigation system). Ground is supplied through the case of the audio unit. Ground is also supplied ● to A/C and AV switch terminal 5 ● to display control unit terminal 3 and 13 (with navigation system) ● to display terminal 1 (with navigation system) and ● to display unit terminal 6 and 15 (without navigation system) ● through body ground M35, M45 and M85 ● to option connector for satellite radio receiver terminal 10 ● through body ground B15 and B45. Audio unit, A/C and audio controller are connected by FPC (Flexible Print Circuit). A/C and audio controller integrates A/C switches and audio switches. When A/C and audio controller is pushed to audio switch, it sends audio signal to audio unit. Then audio signals are supplied ● through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16 ● to terminals 1 and 2 of front door speaker LH and RH ● to terminals 1 and 2 of rear door speaker LH and RH ● to terminals 1 and 2 of instrument speaker LH and RH. When one of audio steering wheel switch is pushed to volume up, seek up, or mode ON, resistance in steering switch circuit changes depending on which button is pushed. When one of audio steering wheel switch is pushed to volume down, seek down, or power ON, resistance in audio steering wheel switch circuit changes depending on which button is pushed. BOSE SYSTEM Refer to Owner's Manual for audio system operating instructions. Power is supplied at all times ● through 15A fuse (No. 32, located in the fuse and fusible link block) ● to audio unit terminal 6 ● to woofer terminal 1 ● to A/C and AV switch terminal 1 and ● to display control unit terminal 1 (with navigation system) or display unit terminal 1 (without navigation sys- tem), ● through 20A fuse [No.17, located in the fuse block (J/B)] ● to BOSE speaker amp. terminal 1. With the ignition switch in the ACC or ON position, power is supplied ● through 10A fuse [No. 6, located in the fuse block (J/B)] ● to audio unit terminal 10 AV-8 AUDIO Revision; 2004 April 2003 FX ● to A/C and AV switch terminal 2 and ● to display control unit terminal 10 (with navigation system) or display unit terminal 2 (without navigation system). Ground is supplied through the case of the audio unit. Ground is also supplied ● to BOSE speaker amp. terminal 17 ● through body ground B203 and B210, ● to A/C and AV switch terminal 5 ● to display control unit terminal 3 and 13 (with navigation system) ● to display terminal 1 (with navigation system) and ● to display unit terminal 6 and 15 (without navigation system) ● through body ground M35, M45 and M85, ● to woofer terminal 2 ● to option connector for satellite radio receiver terminal 10 ● through body ground B15 and B45. Audio unit, A/C and audio controller are connected by FPC (Flexible Print Circuit). A/C and audio controller integrates A/C switches and audio switches. When A/C and audio controller is pushed to audio switch, it send audio signal to audio unit. Then audio signals are supplied ● through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16 ● to BOSE speaker amp. terminals 23, 24, 25, 26, 27, 28, 29, and 30. Audio signals are amplified by the BOSE speaker amp. The amplified audio signals are supplied ● through BOSE speaker amp. terminals 2, 3, 4, 9,10,11,12, 13, 14, 15, 16, 18, 19 and 20 ● to terminals 1 and 2 of front door speaker LH and RH ● to terminals 1 and 2 of rear door speaker LH and RH ● to terminals 1 and 2 of tweeter LH and RH. ● to terminals 1 and 2 of instrument speaker LH, RH, and CENTER, ● to terminals 7 and 8 of woofer. When one of audio steering wheel switch is pushed to volume up, seek up, or mode ON, resistance in audio steering wheel switch circuit changes depending on which button is pushed. When one of audio steering wheel switch is pushed to volume down, seek down, or power ON, resistance in audio steering wheel switch circuit changes depending on which button is pushed. SPEED SENSITIVE VOLUME SYSTEM Volume level of this system gone up and down automatically in proportion to the vehicle speed. And the con- trol level can be selected by the customer. AUDIO AV-9 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX Component Parts and Harness Connector Location AKS007I1 SKIA5886E AV-10 AUDIO Revision; 2004 April 2003 FX Schematic — Base System — AKS005T4 WITH NAVIGATION SYSTEM TKWM0552E [...]... G H I J AV L M TKWM0561E Revision; 2004 April AV- 21 2003 FX AUDIO TKWM0562E Revision; 2004 April AV- 22 2003 FX AUDIO A B C D E F G H I J AV L M TKWM0563E Revision; 2004 April AV- 23 2003 FX AUDIO TKWM0564E Revision; 2004 April AV- 24 2003 FX AUDIO A B C D E F G H I J AV L M TKWM0565E Revision; 2004 April AV- 25 2003 FX AUDIO TKWM0768E Revision; 2004 April AV- 26 2003 FX AUDIO A B C D E F G H I J AV L M... TKWM0556E Revision; 2004 April AV- 16 2003 FX AUDIO A B C D E F G H I J AV L M TKWM0557E Revision; 2004 April AV- 17 2003 FX AUDIO TKWM0558E Revision; 2004 April AV- 18 2003 FX AUDIO Schematic — BOSE System — AKS007X3 A WITH NAVIGATION SYSTEM B C D E F G H I J AV L M TKWM0559E Revision; 2004 April AV- 19 2003 FX AUDIO WITHOUT NAVIGATION SYSTEM TKWM0560E Revision; 2004 April AV- 20 2003 FX AUDIO Wiring Diagram... WITHOUT NAVIGATION SYSTEM A B C D E F G H I J AV L M TKWM0553E Revision; 2004 April AV- 11 2003 FX AUDIO Wiring Diagram — AUDIO — / Base System AKS007X2 TKWM0554E Revision; 2004 April AV- 12 2003 FX AUDIO A B C D E F G H I J AV L M TKWH0255E Revision; 2004 April AV- 13 2003 FX AUDIO TKWH0256E Revision; 2004 April AV- 14 2003 FX AUDIO A B C D E F G H I J AV L M TKWM0767E Revision; 2004 April AV- 15 2003 FX... 2004 April AV L Audio communication line (With navigation system) Refer to AV- 157, "SelfDiagnosis Mode (DCU)" q One or several speaker does not sound J AV- 33 2003 FX M AUDIO MALFUNCTION WITH RADIO, TAPE AND CD (BOSE SYSTEM) Make sure that operation excepting audio system can be done with A/C and AV switch If not, refer AV- 96, "A/ C and AV Switch Does Not Operate" (without navigation system), AV- 157,... (with navigation system) to repair malfunctioning parts Symptom Check item q q Audio communication line (Without navigation system) Refer to AV- 94, "Audio Communication Line Inspection" q Audio communication line (With navigation system) Refer to AV- 157, "SelfDiagnosis Mode (DCU)" q A/C and AV switch Refer to AV- 39, "A/C and AV Switch Inspection" q Audio unit q Audio steering wheel switch Refer to AV- 38,... line (With out navigation system) Refer to , AV- 94, "Audio Communication Line Inspection" q A/C and AV switch Refer to AV- 39, "A/C and AV Switch Inspection" q Audio unit q Audio steering wheel switch Refer to AV- 38, "Audio Steering Wheel Switch Inspection" q A/C and AV switch Refer to AV- 39, "A/C and AV Switch Inspection" q Front door speaker q Rear door speaker q Audio unit q Audio unit q Speaker... April AV- 25 2003 FX AUDIO TKWM0768E Revision; 2004 April AV- 26 2003 FX AUDIO A B C D E F G H I J AV L M TKWM0566E Revision; 2004 April AV- 27 2003 FX AUDIO TKWM0567E Revision; 2004 April AV- 28 2003 FX AUDIO A B C D E F G H I J AV L M TKWM0568E Revision; 2004 April AV- 29 2003 FX AUDIO Terminals and Reference Value for Audio Unit Terminal (Wire color) Item + – 2 (W)*1 , 1 (B)*1 , (L)*2 (B/W)*2 Signal input/... MALFUNCTION WITH RADIO, TAPE AND CD (BASE SYSTEM) Make sure that operation excepting audio system can be done with A/C and AV switch If not, refer AV- 96, "A/ C and AV Switch Does Not Operate" to repair malfunctioning parts Symptom Check item q Audio unit power supply circuit Refer to AV- 37, "Power Supply Circuit Inspection" q Inoperative Audio communication line (With out navigation system) Refer to , AV- 94,... Wheel Switch Inspection" q A/C and AV switch Refer to AV- 39, "A/C and AV Switch Inspection" q BOSE speaker amp power supply and ground circuit Refer to AV- 37, "Power Supply Circuit Inspection" q Front door speaker q Rear door speaker q BOSE speaker amp .AV- 40, "BOSE Speaker Amp Inspection." q Audio unit q Woofer q BOSE speaker amp q Vehicle speed signal Refer to AV- 40, "Vehicle Speed Signal Inspection"... April Audio sound signal front LH Input Control signal Input ON SKIA0177E ON – AV- 32 Approx 12V No sound from front door speaker LH or instrument speaker LH BOSE speaker amp does not work properly 2003 FX AUDIO A/C and AV Switch Self-Diagnosis Function AKS007OE It can check ON/OFF operation of each switch in the A/C and AV switch and diagnose the input signals to the audio steering wheel switch STARTING . AKS007X2 TKWM0554E AUDIO AV- 13 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX TKWH0255E AV- 14 AUDIO Revision; 2004 April 2003 FX TKWH0256E AUDIO AV- 15 C D E F G H I J L M A B AV Revision; 2004 April 2003. FX TKWM0767E AV- 16 AUDIO Revision; 2004 April 2003 FX TKWM0556E AUDIO AV- 17 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX TKWM0557E AV- 18 AUDIO Revision; 2004 April 2003 FX TKWM0558E AUDIO AV- 19 C D E F G H I J L M A B AV Revision;. AKS005T4 WITH NAVIGATION SYSTEM TKWM0552E AUDIO AV- 11 C D E F G H I J L M A B AV Revision; 2004 April 2003 FX WITHOUT NAVIGATION SYSTEM TKWM0553E AV- 12 AUDIO Revision; 2004 April 2003 FX Wiring